Improving Utilization of the Queen Conch (Aliger gigas) Resource in Colombia.
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| Title: | Improving Utilization of the Queen Conch (Aliger gigas) Resource in Colombia. |
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| Authors: | Marco, Jorge1 (AUTHOR), Valderrama, Diego2 (AUTHOR), Rueda, Mario3 (AUTHOR), Rodríguez-Prieto, Maykol4 (AUTHOR) |
| Source: | Marine Resource Economics. Oct2021, Vol. 36 Issue 4, p411-437. 27p. |
| Subject Terms: | *Fishery management, *Fisheries, *Bioindicators, Net present value, Economic indicators, Adults |
| Geographic Terms: | Colombia, Caribbean |
| Abstract: | A bioeconomic model was developed to investigate optimal exploitation strategies for the queen conch (Aliger gigas) resource in the Colombian Caribbean. Ecological and economic indicators substantially improved when the status quo management system based on sustained annual harvesting of the resource at a rate of 8% of the total exploitable biomass was replaced with a rotational harvesting scheme whereby fishing was conducted at a higher exploitation rate (30%), following a four-year closure period. Closures allowed queen conch biomass to recover and accumulate undisturbed, leading to an 11% increase in the average standing density of adult conchs and a 26% increase in the net present value of the fishery, as compared with the status quo scenario. Multiple sources of improvement associated with rotation of fishing areas were identified, such as the harvesting of larger quantities of conch meats and pearls as well as reduced fishing costs. In addition to an informed assessment of the economic potential of the fishery under rotational management, the model provides a useful benchmark to estimate the gains associated with further reductions in illegal, unreported, and unregulated fishing, which has brought the fishery to the brink of collapse in recent years. [ABSTRACT FROM AUTHOR] |
| Copyright of Marine Resource Economics is the property of University of Chicago Press and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | GreenFILE |
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| Header | DbId: 8gh DbLabel: GreenFILE An: 152774132 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Improving Utilization of the Queen Conch (Aliger gigas) Resource in Colombia. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Marco%2C+Jorge%22">Marco, Jorge</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Valderrama%2C+Diego%22">Valderrama, Diego</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Rueda%2C+Mario%22">Rueda, Mario</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Rodríguez-Prieto%2C+Maykol%22">Rodríguez-Prieto, Maykol</searchLink><relatesTo>4</relatesTo> (AUTHOR) – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Marine+Resource+Economics%22">Marine Resource Economics</searchLink>. Oct2021, Vol. 36 Issue 4, p411-437. 27p. – Name: Subject Label: Subject Terms Group: Su Data: *<searchLink fieldCode="DE" term="%22Fishery+management%22">Fishery management</searchLink><br />*<searchLink fieldCode="DE" term="%22Fisheries%22">Fisheries</searchLink><br />*<searchLink fieldCode="DE" term="%22Bioindicators%22">Bioindicators</searchLink><br /><searchLink fieldCode="DE" term="%22Net+present+value%22">Net present value</searchLink><br /><searchLink fieldCode="DE" term="%22Economic+indicators%22">Economic indicators</searchLink><br /><searchLink fieldCode="DE" term="%22Adults%22">Adults</searchLink> – Name: SubjectGeographic Label: Geographic Terms Group: Su Data: <searchLink fieldCode="DE" term="%22Colombia%22">Colombia</searchLink><br /><searchLink fieldCode="DE" term="%22Caribbean%22">Caribbean</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: A bioeconomic model was developed to investigate optimal exploitation strategies for the queen conch (Aliger gigas) resource in the Colombian Caribbean. Ecological and economic indicators substantially improved when the status quo management system based on sustained annual harvesting of the resource at a rate of 8% of the total exploitable biomass was replaced with a rotational harvesting scheme whereby fishing was conducted at a higher exploitation rate (30%), following a four-year closure period. Closures allowed queen conch biomass to recover and accumulate undisturbed, leading to an 11% increase in the average standing density of adult conchs and a 26% increase in the net present value of the fishery, as compared with the status quo scenario. Multiple sources of improvement associated with rotation of fishing areas were identified, such as the harvesting of larger quantities of conch meats and pearls as well as reduced fishing costs. In addition to an informed assessment of the economic potential of the fishery under rotational management, the model provides a useful benchmark to estimate the gains associated with further reductions in illegal, unreported, and unregulated fishing, which has brought the fishery to the brink of collapse in recent years. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Marine Resource Economics is the property of University of Chicago Press and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
| PLink | https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=8gh&AN=152774132 |
| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1086/715522 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 27 StartPage: 411 Subjects: – SubjectFull: Fishery management Type: general – SubjectFull: Fisheries Type: general – SubjectFull: Bioindicators Type: general – SubjectFull: Net present value Type: general – SubjectFull: Economic indicators Type: general – SubjectFull: Adults Type: general – SubjectFull: Colombia Type: general – SubjectFull: Caribbean Type: general Titles: – TitleFull: Improving Utilization of the Queen Conch (Aliger gigas) Resource in Colombia. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Marco, Jorge – PersonEntity: Name: NameFull: Valderrama, Diego – PersonEntity: Name: NameFull: Rueda, Mario – PersonEntity: Name: NameFull: Rodríguez-Prieto, Maykol IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 10 Text: Oct2021 Type: published Y: 2021 Identifiers: – Type: issn-print Value: 07381360 Numbering: – Type: volume Value: 36 – Type: issue Value: 4 Titles: – TitleFull: Marine Resource Economics Type: main |
| ResultId | 1 |
